Gravity: Serial Data Logger V2.0 for Arduino
128MB onboard Flash data logger with USB connectivity and LED status indicators. Logs serial data to TXT or CSV format without a host PC.
Pinout
- VCC+Type · Power
- GND-Type · Ground
- RXRType · UART, Signal
- TXTType · UART, Signal
- SSAVEType · Control
| Pin | Type |
|---|---|
| VCC+ | Power |
| GND- | Ground |
| RXR | UART, Signal |
| TXT | UART, Signal |
| SSAVE | Control |
Pin details
5 connections- VCC+Power
- GND-Ground
- RXRUART, Signal
- TXTUART, Signal
- SSAVEControl
Memory
38 other options24LC32/25LC256 EEPROM, I2C FRAM, 64Mbit PSRAM, and microSD breakouts up to 64GB — matched to write frequency and data volume, not just interface.
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